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AI Data Analyst
Lisboa
Job description
We are looking for an experienced AI Data Analyst to join an international team supporting AI-driven initiatives. You will be responsible for preparing, validating, and improving data used for AI processing and business analytics, ensuring high-quality datasets for downstream AI and reporting solutions.
In this role, you will work closely with cross-functional and agile teams to understand business requirements, analyze data quality, and develop reliable data pipelines that enable AI-assisted processes.
Key Responsibilities:
- Collect, profile, cleanse, transform, and prepare structured and unstructured data from multiple sources.
- Analyze datasets to identify patterns, inconsistencies, anomalies, and opportunities for improvement.
- Validate data quality, ensuring completeness, consistency, accuracy, and reliability.
- Develop and maintain reusable data preparation processes and quality checks.
- Support AI initiatives by preparing datasets suitable for machine learning and AI-assisted processing.
- Collaborate with business stakeholders, engineering teams, and AI specialists to continuously improve data readiness.
- Document data processes, validation rules, and analytical workflows.
Requirements
Mandatory Skills
- Senior experience in Data Analysis, Data Profiling, and Data Pre-processing.
- Strong SQL knowledge and experience querying large datasets.
- Good experience with Python for data analysis (Pandas, NumPy or similar libraries).
- Strong understanding of data quality, data governance, metadata, and data lineage.
- Experience working with structured and unstructured datasets.
- Ability to prepare high-quality datasets for AI and analytics use cases.
- Experience working in Agile environments.
- Business-fluent English (written and spoken).
Nice to Have
- Experience with document/PDF data extraction.
- OCR and text normalization experience.
- Azure Data Services (Azure Storage, Azure SQL, Cosmos DB).
- NoSQL databases.
- Power BI or other data visualization tools.
- Experience supporting Machine Learning or AI projects.
- Familiarity with AI-assisted data analysis tools.
Soft Skills
- Strong analytical mindset.
- High attention to detail.
- Problem-solving skills.
- Team player with excellent communication skills.
- Willingness to learn and adopt new AI technologies.
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